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<p class="MsoNormal"><span style="font-family:Consolas;color:#1F497D">Hi Gary,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas;color:#1F497D">The intention of the serialization procedure is to provide a format for vendors to mark fabricated parts that JLab procures. The part number, part revision , and serial number are separate
fields.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas;color:#1F497D">The serial number listed below PPU-01, is the serial number for the first SNSPPU cryomodule. This is the number that will appear in the serial number selection box.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas;color:#1F497D">Let me know if you have any questions.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas;color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:Consolas;color:black">Mike Dickey<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas;color:black">SRF Inventory Technician<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Consolas;color:black">Jefferson Lab<br>
12000 Jefferson Ave<br>
Newport News, VA 23606<br>
(757) 269-7755</span><span style="font-family:Consolas;color:#1F497D"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:Consolas;color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Matt Marchlik <marchlik@jlab.org>
<br>
<b>Sent:</b> Wednesday, August 11, 2021 10:25 AM<br>
<b>To:</b> Gary Cheng <cheng@jlab.org>; Jared Martin <jared@jlab.org>; Naeem Huque <huque@jlab.org>; John Fischer <fischer@jlab.org><br>
<b>Cc:</b> Ed Daly <edaly@jlab.org>; Jacob Harris <jharris@jlab.org>; pansophy <pansophy@jlab.org>; srfinv@jlab.org<br>
<b>Subject:</b> Re: SNS PPU Cold Mass 01 D3's SN and SNType<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black">Hi Gary,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black">D36 covers the tophat bellows cuff issue in general, so I wouldn't expect it to list the tophat bellows SN. We should expect to see this D3 repeated for the next 7 CM assemblies.
May we keep the current SN of PPU-01 and use the correct one for the remaining 7 assemblies or can D3-36 be administratively unresolved so I can change it?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black">Thanks,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black">Matt<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black"> Gary Cheng <<a href="mailto:cheng@jlab.org">cheng@jlab.org</a>><br>
<b>Sent:</b> Wednesday, August 11, 2021 10:05 AM<br>
<b>To:</b> Jared Martin <<a href="mailto:jared@jlab.org">jared@jlab.org</a>>; Matt Marchlik <<a href="mailto:marchlik@jlab.org">marchlik@jlab.org</a>>; Naeem Huque <<a href="mailto:huque@jlab.org">huque@jlab.org</a>>; John Fischer <<a href="mailto:fischer@jlab.org">fischer@jlab.org</a>><br>
<b>Cc:</b> Ed Daly <<a href="mailto:edaly@jlab.org">edaly@jlab.org</a>>; Jacob Harris <<a href="mailto:jharris@jlab.org">jharris@jlab.org</a>>; pansophy <<a href="mailto:pansophy@jlab.org">pansophy@jlab.org</a>>;
<a href="mailto:srfinv@jlab.org">srfinv@jlab.org</a> <<a href="mailto:srfinv@jlab.org">srfinv@jlab.org</a>><br>
<b>Subject:</b> SNS PPU Cold Mass 01 D3's SN and SNType</span> <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif">All,<br>
<br>
The recently released D3 33 and 36 for PPU cold mass 01 have the same SN: PPU-01 and SNType: ID. These don't appear correct to me.<br>
<br>
SRF spec/procedure PR-P-007 (attached) defines the format of S/Ns. So, to me, the SN for cold mass 01 should be 104211500-A002-A-001.
<br>
As to the SNType, CMASSN should be used. <br>
<br>
The two specific D3 #33 & #36 address two issues associated with two types of parts, the G-10 isolators and FPC bellows, respectively. If a D3 is intended to address an issue with one certain part, e.g. only one of the four FPC bellows, then I think the D3
should use the SN for that specific bellows and SNType should be what we created for the FPC bellows.
<br>
<br>
Comments are welcome.<br>
<br>
Gary</span><o:p></o:p></p>
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